[jira] [Updated] (MESOS-7636) Add DomainInfo to Resource

["Neil Conway (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MESOS-7636?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Neil Conway updated MESOS-7636:
-------------------------------
    Issue Type: Improvement  (was: Bug)

> Add DomainInfo to Resource
> --------------------------
>
>                 Key: MESOS-7636
>                 URL: https://issues.apache.org/jira/browse/MESOS-7636
>             Project: Mesos
>          Issue Type: Improvement
>            Reporter: Neil Conway
>            Assignee: Neil Conway
>              Labels: mesosphere
>
> Add a new {{domain}} field to {{Resource}}, which identifies the domain where the resources are located.
> It would be nice to add this to a higher-level message, like {{Offer}}, but we need to account for the possibility that different resources in a single offer come from different domains -- e.g., when support for external resource providers is introduced.
> It will now be possible for an agent's checkpointed resources to change when the agent is drained and restarted. Combined with the change to preserve AgentID across agent drains (MESOS-6223), this will mean that if an agent re-registers, its resources might have changed; previous copies of the resource in the master's in-memory state will need to be updated.
> This also means that if a framework has cached the properties of a persistent volume it created, subsequently attempting to destroy that volume with the old persistent volume JSON may not succeed, because the PV's properties have changed.



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